Magnetic tape cassette



FIG. 1 is a top plan view of a magnetic tape cassette showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a rear, top and left side perspective view with the top pivoted toward the front. 

The ornamental design for a magnetic tape cassette, as shown and described. 